T-H3S-OS-P Outdoor Tankless High Efficiency Condensing Water Heater (LP) Zoom

T-H3S-OS-P Outdoor Tankless High Efficiency Condensing Water Heater (LP)


Brand: Takagi

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Energy Factor: 0.95
Product Type: Tankless Heater
Inlet Gas Pressure: 8.0"-14.0"W.C.
Max Flow (GPM): 8
BTU (Max): 180000
BTU (Min): 13000
Fuel Type: Propane
Vent Type: Direct Exhaust
Application: 2-4 Showers
Installation Type: Outdoor Only
Energy Star Rated: Yes
Venting Requirement: PVC/CPVC
Type: Condensing

Description for Takagi T-H3S-OS-P

Note: Isolation valves are not included but are recommended for installaltion.

The all new T-H3S-DV/OS is available in 2 models the T-H3S-DV (Indoor) and the T-H3S-OS (Outdoor) having a max GPM is 8.0. Also offers Ultra-Low Nox condensing technology which provides 0.95 energy factor. Try the new T-H3S-DV/OS and see why Takagi offers the highest efficient and durable commercial tankless heaters on the market.

The primary heat exchanger is constructed of HRS35 Commercial-Grade copper which is more resilient against erosion. In addition to the added durability, the T-H3S-DV/OS is ENERGY STAR® qualified. Indoor model includes a built-in temperature controller and diagnostics while the outdoor model includes a temperature remote controller.

  • Ultra-Low NOx Condensing Technology Provides
  • Significant Energy Cost Savings - Unprecedented 0.95 Energy Factor
  • ENERGY STAR® Qualified
  • Durable HRS35 Commercial-Grade Copper Primary Heat Exchanger
  • Type 316L Stainless Steel Secondary Heat Exchanger
  • Electronic Ignition - No Pilot Light
  • Indoor Model has Built-in Temperature Controller and Diagnostics
  • Outdoor Model has Temperature Controller and Diagnostics Included
  • Factory-Installed Power Cord Included for Indoor Models
  • Complies with Lead Free Standards
  • Suitable for Commercial Application (T-H3 Models)
  • Easy-Link up to 4 Units with no Additional Parts or Accessories Needed (T-H3 Models)
  • Multi-Link up to 20 Units (T-H3 models only)
  • Internal Freeze Protection System
  • Power Direct Vent Design Provides Flexible
  • Venting with PVC, CPVC or ABS

    TM-RE40 Remote Control is included:
  • T-H3S-OS-P Outdoor Tankless High Efficiency Condensing Water Heater (LP)

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    • T-H3S-OS-P Outdoor Tankless High Efficiency Condensing Water Heater (LP)


      can this outdoor heater be used in freezing climates?
      Asked on 10/7/2014 by RICK from HALE MI

      1 answer



        This unit comes equipped with heating blocks to protect it against damages associated with freezing. For this freeze protection system to operate there must be electrical power connected to the unit.

        Answered on 10/9/2014 by SupplyHouse Staff from NY
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